<template>
  <div class="login">
    <div class="box-contanier">
      <h3 class="title">“码”上朝阳信息管理平台</h3>
      <el-form
        ref="loginRef"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
      >
        <h2 class="head">用户登录</h2>
        <div class="divider-line"></div>
        <div class="form-box">
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              type="text"
              size="large"
              auto-complete="off"
              placeholder="请输入账号"
            >
              <template #prefix
                ><svg-icon
                  color="#2680EB"
                  icon-class="user1"
                  class="el-input__icon input-icon"
              /></template>
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              type="password"
              size="large"
              auto-complete="off"
              placeholder="请输入密码"
              @keyup.enter="handleLogin"
            >
              <template #prefix
                ><svg-icon
                  color="#2680EB"
                  icon-class="password"
                  class="el-input__icon input-icon"
                  style="width: 12px; margin-right: 10px"
              /></template>
            </el-input>
          </el-form-item>
          <el-form-item prop="code" v-if="captchaEnabled">
            <el-input
              v-model="loginForm.code"
              size="large"
              auto-complete="off"
              placeholder="验证码"
              style="width: 63%"
              @keyup.enter="handleLogin"
            >
              <template #prefix
                ><svg-icon
                  color="#2680EB"
                  icon-class="validCode"
                  class="el-input__icon input-icon"
                  style="width: 16px; margin-right: 6px"
              /></template>
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" @click="getCode" class="login-code-img" />
            </div>
          </el-form-item>
          <!-- <el-checkbox
          v-model="loginForm.rememberMe"
          style="margin: 0px 0px 25px 0px"
          >记住密码</el-checkbox
        > -->
          <el-form-item style="width: 100%">
            <el-button
              :loading="loading"
              size="large"
              type="primary"
              style="width: 100%"
              @click.prevent="handleLogin"
              :disabled="
                loginForm.username && loginForm.password && loginForm.code
                  ? false
                  : true
              "
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
            <div style="float: right" v-if="register">
              <router-link class="link-type" :to="'/register'"
                >立即注册</router-link
              >
            </div>
          </el-form-item>
        </div>
      </el-form>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from "@/store/modules/user";

const userStore = useUserStore();
const route = useRoute();
const router = useRouter();
const { proxy } = getCurrentInstance();

const loginForm = ref({
  username: "", //admin
  password: "", //admin123
  rememberMe: false,
  code: "",
  uuid: "",
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }],
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

watch(
  route,
  (newRoute) => {
    redirect.value = newRoute.query && newRoute.query.redirect;
  },
  { immediate: true }
);

function handleLogin() {
  proxy.$refs.loginRef.validate((valid) => {
    if (valid) {
      loading.value = true;
      // // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      // if (loginForm.value.rememberMe) {
      //   Cookies.set("username", loginForm.value.username, { expires: 30 });
      //   Cookies.set("password", encrypt(loginForm.value.password), {
      //     expires: 30,
      //   });
      //   Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      // } else {
      //   // 否则移除
      //   Cookies.remove("username");
      //   Cookies.remove("password");
      //   Cookies.remove("rememberMe");
      // }
      // 调用action的登录方法
      userStore
        .login(loginForm.value)
        .then(() => {
          const query = route.query;
          const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
            if (cur !== "redirect") {
              acc[cur] = query[cur];
            }
            return acc;
          }, {});
          router.push({ path: redirect.value || "/communityInfo/community", query: otherQueryParams });
        })
        .catch(() => {
          loading.value = false;
          // 重新获取验证码
          if (captchaEnabled.value) {
            getCode();
          }
        });
    }
  });
}

function getCode() {
  getCodeImg().then((res) => {
    captchaEnabled.value =
      res.captchaEnabled === undefined ? true : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password:
      password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
  };
}

getCode();
getCookie();
</script>

<style lang="scss" scoped>
.login {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  height: 100%;
  background: url("../assets/images/login-background.png") no-repeat;
  background-size: 100% 100%;
}
.box-contanier {
  margin-right: 15vw;
  .title {
    margin: 0px auto 80px auto;
    text-align: center;
    color: #ffffff;
    font-size: 3.5rem;
    letter-spacing: 5px;
  }

  .login-form {
    border-radius: 6px;
    background: #ffffff;
    width: 400px;
    padding: 25px 25px 5px 25px;
    margin: 0 auto;
    text-align: center;
    .head {
      color: #2680eb;
      font-size: 2rem;
      margin: 0;
    }
    .divider-line {
      width: 100%;
      border-top: 1px solid #2680eb;
      margin: 15px 0 30px 0;
    }
    .form-box {
      padding: 0 25px;
    }
    .el-input {
      height: 40px;
      input {
        height: 40px;
      }
    }
    .input-icon {
      height: 28px;
      width: 14px;
      margin-left: 0px;
    }
  }
  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }
  .login-code {
    width: 33%;
    height: 40px;
    float: right;
    img {
      cursor: pointer;
      vertical-align: middle;
    }
  }
  .login-code-img {
    height: 40px;
    padding-left: 12px;
  }
}
</style>
